112121211173 has 2 divisors, whose sum is σ = 112121211174. Its totient is φ = 112121211172.

The previous prime is 112121211151. The next prime is 112121211179. The reversal of 112121211173 is 371112121211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74585248609 + 37535962564 = 273103^2 + 193742^2 .

It is a cyclic number.

It is not a de Polignac number, because 112121211173 - 2⁸ = 112121210917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112121211179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060605586 + 56060605587.

It is an arithmetic number, because the mean of its divisors is an integer number (56060605587).

Almost surely, 2^112121211173 is an apocalyptic number.

It is an amenable number.

112121211173 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121211173 is an equidigital number, since it uses as much as digits as its factorization.

112121211173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 23.

Adding to 112121211173 its reverse (371112121211), we get a palindrome (483233332384).

The spelling of 112121211173 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, one hundred seventy-three".